General

  • Target
    c72a16f9d18a75f9ccc80bb1a3550e147c19a079700b1a7bfc752907656b06cf.bin
  • Size 868KB
  • Sample260810-r91pys1drd
  • SHA256 c72a16f9d18a75f9ccc80bb1a3550e147c19a079700b1a7bfc752907656b06cf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 109.248.150.234:443

Mutex
  • 70vLmgcqMEnUJOeL

Attributes
  • Install_directory

    %AppData%

  • install_file

    bin.exe

aes.plain

Targets

    • Target
      c72a16f9d18a75f9ccc80bb1a3550e147c19a079700b1a7bfc752907656b06cf.bin
    • Size 868KB
    • SHA256 c72a16f9d18a75f9ccc80bb1a3550e147c19a079700b1a7bfc752907656b06cf
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Modifies Windows Defender DisableAntiSpyware settings

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Adds Run key to start application

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks